Like Sister Jennifer did. Although Obi-Wan earlier claims that Imperial Stormtroopers fire with extreme precision, the truth is, they only manage to hit people if they're not main characters.

And there's an interesting article on TV Tropes here on the issue (SFW, but don't wander beyond this page, as you may end up looking at TV Tropes for a long time, and you might come across an NSFW page):

This fantastic fridge lives in the home of a pair of glass sculptors — Joy Alyssa Day and BJ Johnson (who made this breath-taking blown-glass orrery) — in Central California.It's not built from scratch; it's a French-door fridge wearing an 11th doctor TARDIS skin (or the first doctor), with the police call box sign placed artfully over the ice door (and bearing a little wordplay).It's not just a pretty face, though; Johnson is also an engineer, and he rigged the fridge to make the TARDIS' landing sound whenever the fridge doors are opened.Want one of your own? You may be in luck. They're looking to turn their project, invented in a fit of whimsy while in the middle of a difficult commission, loose upon the market for an asking price of around US$125.

He willnae tak' a drink! I think he's deid! , on the other hand though A Midgie in yir hand is worth twa up yir kilt.